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Finding the Fourth Proportional to 112,172.44, 168,258.74 and 33,285.97

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Solution

The fourth proportional to 112,172.44, 168,258.74 and 33,285.97 is: 49,928.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,172.44 : 168,258.74 = 33,285.97 : x
  2. Step 2: Convert to fraction form
    112,172.44/168,258.74 = 33,285.97/x
  3. Step 3: Cross multiply
    112,172.44x = 168,258.74 × 33,285.97
  4. Step 4: Simplify right side
    112,172.44x = 5,600,655,371.88
  5. Step 5: Solve for x
    x = 5,600,655,371.88/112,172.44
  6. Step 6: Final answer
    x = 49,928.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.